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Topic: Amana Refrigerator/Freezer (Read 4849 times)

HOSHIZAKI CARETECH-TIPS___________________________________________________________________________________________________Danny Moore Hoshizaki America, Inc. Volume 125Editor 618 Hwy. 74 South January 16, 1996Peachtree City, GA 30269Care Facsimile: (800) 843-1056___________________________________________________________________________________________________REVERSE OSMOSISThere are many different types of water treatmentsystems available today. Due to the increased concernover the quality of water, Reverse Osmosis " R O "systems are more prevalent.An RO system produces almost pure water with a pHwell below 7.0. This water has been forced through amembrane under high pressure. The membrane servesas the filter media and has a pore size in the sub micronrange. Due to the small pore size, the amount of waterthat will pass through the membrane is reduced. Therejected water is flushed down the drain. A ratio ofthree gallons of waste water to one gallon of processedwater is common in producing RO water.As the water is forced through the membrane, solidslarger than the pore size are deposited on the membranesurface. At some point , the membrane surface loadsup with solids and must be cleaned or replaced. Inareas with a high mineral content in the water, morefrequent cleaning is required. The final purity of theprocessed water will depend on the quality of thesystem and how well it is maintained.The water produced by an RO system is extremelyaggressive and is considered an active solvent. The lowpH makes it highly acidic. RO water will attack mostmetals and plated surfaces. The RO process increasesthe galvanic action of the water which will shorten thelife of rubber parts and can cause plastics to weaken.As you can see, this could cause problems in an icemachine.Due to it's aggressive nature, Hoshizaki AmericaInc. does not recommend the use of RO water inour ice machines. If RO water is used the followingdamage could occur : Over a period of time, RO waterflowing down the center of a KM evaporator couldwash away the copper/stainless bond and causeseparation of the evaporator plates. If RO water is usedin a flaker, premature bearing wear and damage to themechanical seal could result. Other ABS and rubberparts could also be effected. Any failures caused by ROwater would not be covered by warranty.Care should be taken in explaining the effects anddiscouraging the use of RO water in ice machineapplications. Please advise any customers now using orplanning to use RO water with Hoshizaki ice machinesof these possibilities.____________________________________________________________________________________

All the salt and soft water is good for the clothes but bad fer the ice machine.

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